iamhellokempstere79 iamhellokempstere79

04-08-2021
Mathematics

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PLEASE HELP! URGENT. the law of cosines is a2+b2-2abcosC=c2. Find the value of 2abccosC.

PLEASE HELP URGENT the law of cosines is a2b22abcosCc2 Find the value of 2abccosC class=

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Аноним Аноним

04-08-2021

Answer:

D

Step-by-step explanation:

2ab*cos(C)=a^2+b^2-c^2

2ab*cos(C)=5^2+4^2-2^2=25+12=37

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Morax420 Morax420

20-10-2021

Answer:

The answer is 37

Step-by-step explanation:

Answer Link

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